//1.前缀和-一维前缀和
#include <iostream>
using namespace std;
const int N = 1e5 + 10;
int a[N];
long long s[N];

int main() 
{
    int n, m; cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
        s[i] = s[i-1] + a[i];
    }
    while(m--)
    {
        int l, r; cin >> l >> r;
        cout << s[r] - s[l - 1] << endl;
    }
    return 0;
}

//2.前缀和-二维前缀和
#include <iostream>
using namespace std;
const int N = 1e3 + 10;
int a[N][N];
long long s[N][N];

int main() 
{
    int n, m, q; 
    cin >> n >> m >> q;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= m; j++) 
        {
            cin >> a[i][j];
            s[i][j] = s[i-1][j] + s[i][j-1] + a[i][j] - s[i-1][j-1]; 
        }
    }

    while(q--)
    {
        int x1, y1, x2, y2; 
        cin >> x1 >> y1 >> x2 >> y2;
        cout << s[x2][y2] - s[x1 - 1][y2] - s[x2][y1 - 1] + s[x1-1][y1-1] << endl;
    }
    return 0;
}
